CVE-2017-13004

The Juniper protocols parser in tcpdump before 4.9.2 has a buffer over-read in print-juniper.c:juniper_parse_header()

published September 14, 2017

CVSS
—
EPSS
3%
Percentile
89.0
In the wild
Unconfirmed
What it is

⚠️ A sneaky buffer over-read lurks just beneath the surface of tcpdump versions before 4.9.2! This could lead to unexpected behaviors in your network analysis. 🔥 Think of it like a restaurant that serves food with a surprise ingredient hidden in the recipe — you don’t know what extra flavors (or problems) may come along with your order because the chef didn’t check the pantry before cooking! If exploited, this could lead to unexpected behavior in tcpdump, potentially exposing sensitive information or causing your system to crash. While the risk is currently marked as unknown, it serves as a reminder that even minor oversights can lead to significant headaches in network monitoring.

Put simply

Think of it like a restaurant that serves food with a surprise ingredient hidden in the recipe — you don’t know what extra flavors (or problems) may come along with your order because the chef didn’t check the pantry before cooking! The buffer over-read in the Juniper protocols parser occurs due to insufficient checks while processing headers in print-juniper.c, potentially allowing for data leakage or unpredictable parsing outcomes.

What to do

If exploited, this could lead to unexpected behavior in tcpdump, potentially exposing sensitive information or causing your system to crash. While the risk is currently marked as unknown, it serves as a reminder that even minor oversights can lead to significant headaches in network monitoring. Upgrade tcpdump to version 4.9.2 or later to eliminate this vulnerability. Additionally, regular audits and updates of your network tools are advisable to keep everything running smoothly and securely. You've got this! By taking quick action, you can keep your network monitoring secure and reliable. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03475 · 89.0th percentile
Published
2017-09-14T06:00Z
EPSS history
Timeline
  • 14 SEP 06:00Z
    The Juniper protocols parser in tcpdump before 4.9.2 has a buffer over-read in print-juniper.c:juniper_parse_header()
    cvelistv5